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Costs for 0.283 €/kWh · Eurostat 2026 H1

Comparison · Air conditioners

Kältebringer KBO18-R290 vs Panasonic CS-E21RB4EAW / CU-E21RBEA

Kältebringer KBO18-R290 uses 158 kWh less a year: €45 a year at your price, €447 over ten years.

A+++ Kältebringer KBO18-R290 A+ Panasonic CS-E21RB4EAW / CU-E21RBEA
Yearly consumption 211 kWh369 kWh
Cost per year €60€105
Cost over 10 years €598€1,045
Rank in its group 847 / 5,1585,131 / 5,158
Group Split air conditioners, 4–5 kWSplit air conditioners, 4–5 kW
Energy class cooling / heating A+++ / A++ A+ / A+
SEER 8.9 5.6
SCOP warmer / average / colder 5.8 / 4.6 / – – / 4.1 / –
Cooling design load 5.4 kW 5.9 kW
Heating design load (average) 3.5 kW 4.0 kW
Yearly cooling 211 kWh 369 kWh
Yearly heating (average climate) 1,052 kWh 1,366 kWh
Sound power indoor / outdoor 42 / 52 dB(A) 58 / 63 dB(A)
Refrigerant R290 (GWP 3) R410A (GWP 2088)

If Panasonic CS-E21RB4EAW / CU-E21RBEA is cheaper to buy, the price gap is paid back by lower running costs only when it is smaller than the cost difference over the years you keep it. Work it out with your prices →